This is Hercules, a male liger (lion-tiger hybrid.) Ligers are the largest of all existing cats, and Hercules weighs about 900 pounds.

World's Biggest Cat Is called a Liger ! Cross Breed of Tiger and Lion 900 pounds, 6 Feet tall and 12 feet-long Liger who holds the Guinness World Record for the largest cat. And His Name is "Hercules" :)

ABC Nightline - Featuring Hercules the Liger

9 of the World's Biggest Animals

Tiger / Liger — The Biggest Cat-Tigers weigh about 700 lbs. They are one of the most strongest cats. The largest big cat is a Liger (which is a lion and tiger mix) named Hercules. Hercules is 12 feet long and weighs about 900 lbs.